Career roadmap
How to Become an Arborist
The education, training, certifications and steps it takes to start working as an arborist, plus how long it takes and where the career can lead.
To become an arborist: (1) get hired as a ground worker, (2) learn chainsaw and chipper safety, (3) learn to climb, (4) earn ISA certification, (5) advance. Most people need about 1–3 months to start. BLS lists “high school diploma or equivalent” as the typical entry-level education.
5 steps to become an arborist
Get hired as a ground worker
Learn the basics.
Learn chainsaw and chipper safety
Formal safety training.
Learn to climb
Train with experienced climbers.
Earn ISA certification
Show professional knowledge.
Advance
Become a lead climber, crew leader or consulting arborist.
Education and training requirements
A high school diploma is typical. Arborists learn on the job; ISA certification requires experience or education.
| Typical entry-level education (BLS) | High school diploma or equivalent |
|---|---|
| Related work experience | None |
| On-the-job training | Short-term on-the-job training |
| Typical training time | 1–3 months to start |
Certifications and licenses
- ISA Certified Arborist: The leading tree care credential.
- ISA Certified Tree Worker/Climber Specialist: Climbing credential.
- TCIA Certified Treecare Safety Professional: Safety credential.
- Electrical Hazards Awareness Program (EHAP): Training for work near power lines.
Skills to build now
Start with tree climbing, chainsaw operation, and rigging, and practice safety focus and teamwork. Learning the arborist vocabulary early makes training and interviews easier.
Where the career can lead
- Ground Worker: Support crews.
- Climber or Bucket Operator: Prune and remove trees.
- Crew Leader: Lead crews.
- Consulting Arborist or Owner: Assess trees or run a business.
Get a head start
Our self-paced Arborist training gives you a realistic, practical overview of the job (duties, terminology, step-by-step tasks, safety and interview prep) so you can decide with confidence and show employers you’re serious.
Common questions about getting started
Do arborists need certification?
Not always, but ISA certification is valued.
How long does it take to become an arborist?
Most people need about 1–3 months to start of training. A high school diploma is typical. Arborists learn on the job; ISA certification requires experience or education.
Do you need a degree to be an arborist?
No four-year degree is typically required. BLS lists “high school diploma or equivalent” as the typical entry-level education, plus short-term on-the-job training.
What certifications are available for arborists?
Common credentials include ISA Certified Arborist, ISA Certified Tree Worker/Climber Specialist, TCIA Certified Treecare Safety Professional, and Electrical Hazards Awareness Program (EHAP). Requirements vary by state and employer.
Sources
- U.S. Bureau of Labor Statistics, BLS Occupational Employment and Wage Statistics (OEWS), May 2025, SOC 37-3013 (Tree trimmers and pruners).
- U.S. Bureau of Labor Statistics, BLS Employment Projections, Table 1.2 (2025–35).
- O*NET OnLine summary for Tree trimmers and pruners (U.S. Department of Labor).
- BLS Occupational Outlook Handbook.
Reviewed by the Career Education Institute Curriculum Team. Pay figures are national estimates; local pay varies. See our editorial policy.